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47c8433a0c
This lets us make a lot of other stuff const, allows the compiler to generate (slightly) better code, and will make me get slightly fewer patches from folks who stick mutable stuff into or_options_t. const: because not every input is an output!
71 lines
3.0 KiB
C
71 lines
3.0 KiB
C
/* Copyright (c) 2001 Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2011, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file relay.h
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* \brief Header file for relay.c.
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**/
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#ifndef _TOR_RELAY_H
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#define _TOR_RELAY_H
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extern uint64_t stats_n_relay_cells_relayed;
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extern uint64_t stats_n_relay_cells_delivered;
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int circuit_receive_relay_cell(cell_t *cell, circuit_t *circ,
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cell_direction_t cell_direction);
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void relay_header_pack(uint8_t *dest, const relay_header_t *src);
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void relay_header_unpack(relay_header_t *dest, const uint8_t *src);
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int relay_send_command_from_edge(streamid_t stream_id, circuit_t *circ,
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uint8_t relay_command, const char *payload,
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size_t payload_len, crypt_path_t *cpath_layer);
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int connection_edge_send_command(edge_connection_t *fromconn,
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uint8_t relay_command, const char *payload,
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size_t payload_len);
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int connection_edge_package_raw_inbuf(edge_connection_t *conn,
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int package_partial,
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int *max_cells);
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void connection_edge_consider_sending_sendme(edge_connection_t *conn);
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extern uint64_t stats_n_data_cells_packaged;
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extern uint64_t stats_n_data_bytes_packaged;
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extern uint64_t stats_n_data_cells_received;
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extern uint64_t stats_n_data_bytes_received;
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void init_cell_pool(void);
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void free_cell_pool(void);
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void clean_cell_pool(void);
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void dump_cell_pool_usage(int severity);
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void cell_queue_clear(cell_queue_t *queue);
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void cell_queue_append(cell_queue_t *queue, packed_cell_t *cell);
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void cell_queue_append_packed_copy(cell_queue_t *queue, const cell_t *cell);
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void append_cell_to_circuit_queue(circuit_t *circ, or_connection_t *orconn,
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cell_t *cell, cell_direction_t direction,
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streamid_t fromstream);
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void connection_or_unlink_all_active_circs(or_connection_t *conn);
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int connection_or_flush_from_first_active_circuit(or_connection_t *conn,
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int max, time_t now);
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void assert_active_circuits_ok(or_connection_t *orconn);
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void make_circuit_inactive_on_conn(circuit_t *circ, or_connection_t *conn);
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void make_circuit_active_on_conn(circuit_t *circ, or_connection_t *conn);
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int append_address_to_payload(uint8_t *payload_out, const tor_addr_t *addr);
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const uint8_t *decode_address_from_payload(tor_addr_t *addr_out,
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const uint8_t *payload,
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int payload_len);
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unsigned cell_ewma_get_tick(void);
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void cell_ewma_set_scale_factor(const or_options_t *options,
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const networkstatus_t *consensus);
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void circuit_clear_cell_queue(circuit_t *circ, or_connection_t *orconn);
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void tor_gettimeofday_cache_clear(void);
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#endif
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